Good rap and hip hop =

mos def
talib kweli
a tribe called quest
dead prez
the roots
the fugees
public enemy
run dmc
n.w.a
eazy-e
wu tang clan
Jurassic 5

Chill

Radiohead
simon and garfunkle
the shins
zero 7
check out the Garden State soundtrack

check out a lot of electronica artists like zero 7...